Saturday, March 7, 2026 6:00AM – Sonoita, AZ
One of the Oldest Trail Ultramarathons in Arizona
Started by a group of local trail runners, all friends, who are still friends, two of whom were married in these mountains. Unknowingly they were actually early pioneers of trail running in Arizona. A sport that has grown by leaps and bounds in recent years.
Since its inception in 1985, Old Pueblo has taken on many forms and has had different routes, starts, finishes, distances, race directors and its share of ups and downs. But it has always been run on the flanks of the beautiful Santa Rita Mountains. And so it continues.
By entering this race you will be running in the footsteps of Arizona history. Not only of Arizona Trail Running History, but of early Native Americans whose footsteps have long marked these trails. Of early ranchers, farmers, migrants and miners who managed to etch out a living in this arid land. Many of their descendants are still here.
Starting at the historic mining site of Kentucky Camp the race takes you into the rugged, rocky shadow of Mt. Wrightson along the Arizona Trail. Looking down at you from 9452’, it is one of the tallest peaks in southern Arizona. You will seldom lose sight of it as you run the course. It is truly a beautiful area.
So come run in the footsteps of the pioneers and let’s see if you are made of the same cloth!
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Sponsors
Partnerships and Awards
Old Pueblo Endurance Runs is proud to partner with outstanding events in the ultrarunning community.
Southern Arizona Triple 50
Old Pueblo is also part of the Southern Arizona Triple 50. Runners who complete three of Southern Arizona’s 50-mile ultra races within a single season are eligible for special prizes and a discounted rate.
Angeles Crest 100 Partnership
We are honored to be partnered with one of the original 100-mile trail races, the Angeles Crest 100 Mile Endurance Run.
The 1st and 2nd place male and female finishers in our 50 Mile race will receive Sterling Silver Tickets to Angeles Crest 100. These tickets allow recipients to bypass the lottery and gain guaranteed entry (registration fee still applies).
PhoMo 50K Partnership
We are also proud to partner with the PhoMo 50k, hosted by Ghosthead Productions.
The 1st place male and female finishers at PhoMo 50K will receive free entry into the Old Pueblo 50 Mile race.
The 1st place male and female finishers in our 25 Mile race will receive free entry into PhoMo 50K.